The BCN20000 dataset consists of dermoscopic images of skin lesions taken between 2010 and 2016 at the Hospital Clínic in Barcelona. It aims to tackle the challenge of classifying dermoscopic images of skin cancer under diverse conditions, including lesions in challenging locations (such as nails and mucosa), large lesions exceeding the dermoscopy device's aperture, and hypo-pigmented lesions.
A detailed data descriptor is available: Hernández-Pérez, C., Combalia, M., Podlipnik, S. et al. BCN20000: Dermoscopic Lesions in the Wild. Sci Data 11, 641 (2024). https://doi.org/10.1038/s41597-024-03387-w
{ "age_approx": 70, "anatom_site_general": "upper extremity", "concomitant_biopsy": true, "diagnosis_1": "Indeterminate", "diagnosis_2": "Indeterminate epidermal proliferations", "diagnosis_3": "Solar or actinic keratosis", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_7477097", "melanocytic": false, "sex": "male" }
{ "age_approx": 45, "anatom_site_general": "head/neck", "concomitant_biopsy": false, "diagnosis_1": "Benign", "diagnosis_2": "Benign epidermal proliferations", "diagnosis_3": "Seborrheic keratosis", "diagnosis_confirm_type": "confocal microscopy with consensus dermoscopy", "image_type": "dermoscopic", "lesion_id": "IL_9669494", "melanocytic": false, "sex": "male" }
{ "age_approx": 50, "anatom_site_general": "lower extremity", "benign_malignant": "benign", "concomitant_biopsy": false, "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "image_type": "dermoscopic", "lesion_id": "IL_2316060", "melanocytic": true, "sex": "female" }
{ "age_approx": 80, "anatom_site_general": "head/neck", "concomitant_biopsy": true, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma metastasis", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_1943551", "melanocytic": true, "sex": "male" }
{ "age_approx": 55, "anatom_site_general": "palms/soles", "anatom_site_special": "acral palms or soles", "benign_malignant": "malignant", "concomitant_biopsy": true, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma, NOS", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_5136779", "melanocytic": true, "sex": "female" }
{ "age_approx": 30, "anatom_site_general": "upper extremity", "concomitant_biopsy": true, "diagnosis_1": "Benign", "diagnosis_2": "Benign epidermal proliferations", "diagnosis_3": "Seborrheic keratosis", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_0880600", "melanocytic": false, "sex": "male" }
{ "age_approx": 75, "anatom_site_general": "anterior torso", "concomitant_biopsy": true, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant adnexal epithelial proliferations - Follicular", "diagnosis_3": "Basal cell carcinoma", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_0701162", "melanocytic": false, "sex": "male" }
{ "age_approx": 65, "anatom_site_general": "lower extremity", "benign_malignant": "benign", "concomitant_biopsy": true, "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_9757864", "melanocytic": true, "sex": "female" }
{ "age_approx": 30, "anatom_site_general": "head/neck", "benign_malignant": "benign", "concomitant_biopsy": false, "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "image_type": "dermoscopic", "lesion_id": "IL_7819388", "melanocytic": true, "sex": "female" }
{ "age_approx": 35, "anatom_site_general": "anterior torso", "benign_malignant": "benign", "concomitant_biopsy": true, "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_7555101", "melanocytic": true, "sex": "male" }
{ "age_approx": 45, "anatom_site_general": "anterior torso", "concomitant_biopsy": true, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant adnexal epithelial proliferations - Follicular", "diagnosis_3": "Basal cell carcinoma", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_9872514", "melanocytic": false, "sex": "female" }
{ "age_approx": 55, "anatom_site_general": "anterior torso", "benign_malignant": "benign", "concomitant_biopsy": false, "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "confocal microscopy with consensus dermoscopy", "image_type": "dermoscopic", "lesion_id": "IL_4677410", "melanocytic": true, "sex": "male" }
{ "age_approx": 75, "anatom_site_general": "head/neck", "concomitant_biopsy": false, "diagnosis_1": "Indeterminate", "diagnosis_2": "Indeterminate epidermal proliferations", "diagnosis_3": "Solar or actinic keratosis", "image_type": "dermoscopic", "lesion_id": "IL_0212769", "melanocytic": false, "sex": "male" }
{ "age_approx": 75, "anatom_site_general": "head/neck", "concomitant_biopsy": true, "diagnosis_1": "Benign", "diagnosis_2": "Benign epidermal proliferations", "diagnosis_3": "Seborrheic keratosis", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_2663057", "melanocytic": false, "sex": "female" }
{ "age_approx": 85, "anatom_site_general": "head/neck", "concomitant_biopsy": true, "diagnosis_1": "Indeterminate", "diagnosis_2": "Indeterminate epidermal proliferations", "diagnosis_3": "Solar or actinic keratosis", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_2866811", "melanocytic": false, "sex": "female" }
{ "age_approx": 50, "anatom_site_general": "upper extremity", "benign_malignant": "malignant", "concomitant_biopsy": true, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma, NOS", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_8188288", "melanocytic": true, "sex": "male" }
{ "age_approx": 80, "anatom_site_general": "anterior torso", "concomitant_biopsy": false, "diagnosis_1": "Benign", "diagnosis_2": "Benign epidermal proliferations", "diagnosis_3": "Seborrheic keratosis", "diagnosis_confirm_type": "confocal microscopy with consensus dermoscopy", "image_type": "dermoscopic", "lesion_id": "IL_3430261", "melanocytic": false, "sex": "male" }
{ "age_approx": 35, "anatom_site_general": "head/neck", "benign_malignant": "benign", "concomitant_biopsy": true, "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_4758864", "melanocytic": true, "sex": "female" }
{ "age_approx": 50, "anatom_site_general": "anterior torso", "concomitant_biopsy": true, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant adnexal epithelial proliferations - Follicular", "diagnosis_3": "Basal cell carcinoma", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_6531543", "melanocytic": false, "sex": "male" }
{ "age_approx": 65, "anatom_site_general": "anterior torso", "benign_malignant": "benign", "concomitant_biopsy": true, "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_2444299", "melanocytic": true, "sex": "male" }
{ "age_approx": 60, "anatom_site_general": "head/neck", "concomitant_biopsy": true, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant adnexal epithelial proliferations - Follicular", "diagnosis_3": "Basal cell carcinoma", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_4822653", "melanocytic": false, "sex": "male" }
{ "age_approx": 70, "anatom_site_general": "head/neck", "concomitant_biopsy": true, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant adnexal epithelial proliferations - Follicular", "diagnosis_3": "Basal cell carcinoma", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_5962063", "melanocytic": false, "sex": "male" }
{ "age_approx": 45, "anatom_site_general": "lower extremity", "benign_malignant": "benign", "concomitant_biopsy": true, "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_2203528", "melanocytic": true, "sex": "male" }
{ "age_approx": 35, "anatom_site_general": "lower extremity", "benign_malignant": "benign", "concomitant_biopsy": true, "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_5412156", "melanocytic": true, "sex": "male" }
{ "age_approx": 80, "anatom_site_general": "lower extremity", "concomitant_biopsy": true, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma metastasis", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_1663086", "melanocytic": true, "sex": "female" }
{ "age_approx": 80, "anatom_site_general": "palms/soles", "anatom_site_special": "acral palms or soles", "benign_malignant": "malignant", "concomitant_biopsy": true, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma, NOS", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_3116810", "melanocytic": true, "sex": "female" }